multiple.json

// sdp
{
    "msgType": "sdp",
    "fromUserId": userId,
    "toUserId": toUserId,
    "type": sessionDescription.type,
    "sdp": sessionDescription.sdp
}
 
// iceCandidate
{
	"msgType": "iceCandidate",
    	"fromUserId": userId,
	"toUserId": toUserId,
	"id": iceCandidate.sdpMid,
	"label": iceCandidate.sdpMLineIndex,
	"candidate": iceCandidate.candidate
}

// join
{
    "msgType": "join"
    "userId": userId
}

// otherJoin
{
    "msgType": "otherJoin"
    "userId": userId
}

// quit
{
    "msgType": "quit"
    "userId": userId
}

// otherQuit
{
    "msgType": "otherQuit"
    "userId": userId
}